I have the Ravelco installed in my SS, and my brothers 05 GTO. The guy that did the install for us did an AWESOME job. The set up comes with 2 plugs, so dont worry if you misplace one

It also comes with a warranty card with a serial number, so you can order more spares. Its a very well built unit, and I think it would be damn near impossible to get around. All of the wires are the same color, so you cant figure out which wire goes to where. Our installer had a laptop with him, and several CD's with wiring schematices of just about any car, so he knows where to tap into. All of your accessories will work with the plug out, but will not start. Unless they are towing it, they wont be driving awy with it. Oh, when my brother had his SECOND Subaru stolen in 3 years (first one a 315 AWD 02 WRX, second an 04 STi), the STi was equipped with LoJack. Save your money on that, its a joke. They found the car stripped in Newark on the side of a road a month later.
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Nick
97 Camaro SS, M6, Artic White, t top.
396, AFR 210's, single plane, Strange 12 bolt.